Add to ORKGUniv Talca, Inst Matemat & Fis, Talca, Chile.Liendo, A (Liendo, Alvaro)We consider a normal complete rational variety with a torus action of complexity one In the main results, we determine the roots of the automorphism group and give an explicit description of the root system of its semisimple part. The results are applied to the study of almost homogeneous varieties. For example, we describe all almost homogeneous (possibly singular) del Pezzo K*-surfaces of Picard number one and all almost homogeneous (possibly singular) Fano threefolds of Picard number one having a reductive automorphism group with two-dimensional maximal torus
The purpose of this article is to investigate the intersection cohomology for algebraic varieties wi...
In the present thesis we generalize the Cox ring based description for complete rational varieties w...
Cette thèse est consacrée aux propriétés géométriques des opérations de tores algébriques dans les v...
The subject of this thesis are varieties with a torus action of complexity one, i.e. algebraic vari...
The subject of this thesis are varieties with a torus action of complexity one, i.e. algebraic vari...
In toric geometry, Fano varieties correspond to certain lattice polytopes, whose lattice points dete...
In toric geometry, Fano varieties correspond to certain lattice polytopes, whose lattice points dete...
We algorithmically compute the intersection cohomology Betti numbers of any complete normal algebrai...
This thesis contributes to the study of projective varieties with torus action. At first, we presen...
AbstractWe investigate the Cox ring of a normal complete variety X with algebraic torus action. Our ...
A horospherical variety is a normal algebraic variety where a reductive algebraic group acts with an...
We give a way to construct group of pseudo-automorphisms of rational varieties of any dimension that...
Abstract. We give a characterization of the geometric automorphisms in a certain class of (not neces...
In the present thesis we generalize the Cox ring based description for complete rational varieties w...
A horospherical variety is a normal algebraic variety where a reductive algebraic group acts with an...
The purpose of this article is to investigate the intersection cohomology for algebraic varieties wi...
In the present thesis we generalize the Cox ring based description for complete rational varieties w...
Cette thèse est consacrée aux propriétés géométriques des opérations de tores algébriques dans les v...
The subject of this thesis are varieties with a torus action of complexity one, i.e. algebraic vari...
The subject of this thesis are varieties with a torus action of complexity one, i.e. algebraic vari...
In toric geometry, Fano varieties correspond to certain lattice polytopes, whose lattice points dete...
In toric geometry, Fano varieties correspond to certain lattice polytopes, whose lattice points dete...
We algorithmically compute the intersection cohomology Betti numbers of any complete normal algebrai...
This thesis contributes to the study of projective varieties with torus action. At first, we presen...
AbstractWe investigate the Cox ring of a normal complete variety X with algebraic torus action. Our ...
A horospherical variety is a normal algebraic variety where a reductive algebraic group acts with an...
We give a way to construct group of pseudo-automorphisms of rational varieties of any dimension that...
Abstract. We give a characterization of the geometric automorphisms in a certain class of (not neces...
In the present thesis we generalize the Cox ring based description for complete rational varieties w...
A horospherical variety is a normal algebraic variety where a reductive algebraic group acts with an...
The purpose of this article is to investigate the intersection cohomology for algebraic varieties wi...
In the present thesis we generalize the Cox ring based description for complete rational varieties w...
Cette thèse est consacrée aux propriétés géométriques des opérations de tores algébriques dans les v...